DeAndre Is Recording Instances of Physical Aggression Among Children in a Schoolyard

question 108

Multiple Choice

DeAndre is recording instances of physical aggression among children in a schoolyard at recess. DeAndre is undertaking:

• A)naturalistic observation
• B)experimental research
• C)a survey
• D)a case study

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Definitions:

Linear Relationship

A type of relationship between two variables where the change in one variable is consistently associated with a change in the other variable in a manner that can be depicted with a straight line.

Coefficient Of Correlation

The coefficient of correlation is a statistical measure that calculates the strength and direction of a linear relationship between two variables.

Coefficient Of Determination

A statistic that measures the proportion of the variance in the dependent variable that is predictable from the independent variable(s).

Linear Regression Model

A statistical method for modelling the relationship between a dependent variable and one or more independent variables by fitting a linear equation to observed data.